Ages Number of students 15-18 2 19-22 9 23-26 3 27-30 4 31-34 2 35-38 4...

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Ages Number of students 15-18 2 19-22 9 23-26 3 27-30 4 31-34 2 35-38 4...

Ages	Number of students
15-18	2
19-22	9
23-26	3
27-30	4
31-34	2
35-38	4

Based on the frequency distribution above, find the cumulative frequency for the class 31-34 . (Your total should include the frequency for this class.)

The answer I found on Chegg was wrong?

math Statistics-And-Probability

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Answer 1

Answer #1

Cumulative frequency is addition of frequency till class ...

For 31-34 class commulative frequency is = 2+9+3+4+2= 20

Answer is 20 ...

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Answer 2

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